Sunspot drawing of 1970-4-28

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https://doi.org/10.7891/e-manuscripta-96392



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1970-04-28
07:00
Hs 1304.5:4134
https://doi.org/10.7891/e-manuscripta-96392
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
170 6 B -8.4 231.0
171 8 A 8.8 230.5
174 8 B 11.3 193.5
175 18 B 18.3 135.3
178 16 D -9.0 121.7
179 6 B 9.4 127.8
180 16 C -11.8 109.8
183 4 A 6.3 172.6
184 9 B -14.9 160.6
185 3 J -15.9 79.3
10 94